{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"UN SDG Global Database (open, attribution requested)","slug":"annual-mean-levels-of-fine-particulate-matter-population-weighted-by-location-micrograms","source":"United Nations Statistics Division, SDG Global Database","source_url":"https://unstats.un.org/sdgs/dataportal/database?series=EN_ATM_PM25","title":"Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter)","unit":"\u00b5g/m\u00b3"},"observations":[{"date":"2010-01-01","value":29.5856},{"date":"2011-01-01","value":32.0419},{"date":"2012-01-01","value":35.427},{"date":"2013-01-01","value":31.4421},{"date":"2014-01-01","value":33.8747},{"date":"2015-01-01","value":36.7724},{"date":"2016-01-01","value":34.5415},{"date":"2017-01-01","value":34.6082},{"date":"2018-01-01","value":34.1857},{"date":"2019-01-01","value":33.839},{"date":"2020-01-01","value":34.3195},{"date":"2021-01-01","value":32.9134},{"date":"2022-01-01","value":33.7212},{"date":"2023-01-01","value":35.255}],"summary":{"latest_period":"2023-01-01","latest_value":35.255,"max":36.7724,"mean":33.752,"min":29.5856,"of":254,"rank":21,"trend":"rising"}}